Mule Humper
One who humps mules.
Peter #1: Did you know that I love to make love to old mules?
Max #2: Really?
Peter #1: YES!
Max #2: Man I never knew you were a Mule Humper.
Max #2: Really?
Peter #1: YES!
Max #2: Man I never knew you were a Mule Humper.